Files
viseq/include/libremidi/error.hpp
T
2024-10-09 02:01:23 +02:00

90 lines
2.9 KiB
C++

#pragma once
#include <libremidi/config.hpp>
#include <functional>
#include <stdexcept>
#include <string_view>
namespace libremidi
{
//! Defines various error types.
enum midi_error
{
WARNING, /*!< A non-critical error. */
UNSPECIFIED, /*!< The default, unspecified error type. */
NO_DEVICES_FOUND, /*!< No devices found on system. */
INVALID_DEVICE, /*!< An invalid device ID was specified. */
MEMORY_ERROR, /*!< An error occured during memory allocation. */
INVALID_PARAMETER, /*!< An invalid parameter was specified to a function. */
INVALID_USE, /*!< The function was called incorrectly. */
DRIVER_ERROR, /*!< A system driver error occured. */
SYSTEM_ERROR, /*!< A system error occured. */
THREAD_ERROR /*!< A thread error occured. */
};
//! Base exception class for MIDI problems
struct LIBREMIDI_EXPORT midi_exception : public std::runtime_error
{
using std::runtime_error::runtime_error;
~midi_exception() override;
};
struct LIBREMIDI_EXPORT no_devices_found_error final : public midi_exception
{
static constexpr auto code = midi_error::NO_DEVICES_FOUND;
using midi_exception::midi_exception;
~no_devices_found_error() override;
};
struct LIBREMIDI_EXPORT invalid_device_error final : public midi_exception
{
static constexpr auto code = midi_error::INVALID_DEVICE;
using midi_exception::midi_exception;
~invalid_device_error() override;
};
struct LIBREMIDI_EXPORT memory_error final : public midi_exception
{
static constexpr auto code = midi_error::MEMORY_ERROR;
using midi_exception::midi_exception;
~memory_error() override;
};
struct LIBREMIDI_EXPORT invalid_parameter_error final : public midi_exception
{
static constexpr auto code = midi_error::INVALID_PARAMETER;
using midi_exception::midi_exception;
~invalid_parameter_error() override;
};
struct LIBREMIDI_EXPORT invalid_use_error final : public midi_exception
{
static constexpr auto code = midi_error::INVALID_USE;
using midi_exception::midi_exception;
~invalid_use_error() override;
};
struct LIBREMIDI_EXPORT driver_error final : public midi_exception
{
static constexpr auto code = midi_error::DRIVER_ERROR;
using midi_exception::midi_exception;
~driver_error() override;
};
struct LIBREMIDI_EXPORT system_error final : public midi_exception
{
static constexpr auto code = midi_error::SYSTEM_ERROR;
using midi_exception::midi_exception;
~system_error() override;
};
struct LIBREMIDI_EXPORT thread_error final : public midi_exception
{
static constexpr auto code = midi_error::THREAD_ERROR;
using midi_exception::midi_exception;
~thread_error() override;
};
/*! \brief Error callback function
\param type Type of error.
\param errorText Error description.
Note that class behaviour is undefined after a critical error (not
a warning) is reported.
*/
using midi_error_callback = std::function<void(midi_error type, std::string_view errorText)>;
}